Question # 1

Hereditary characteristics pass from parents to offspring through genes in their

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Nuclei

DNA

Gametes

Body

In nature P 730 to P 660 conversion occurs in the

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Day

Dark

Evening

Dawn

V-shaped chromosomes are called.

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Acrocentric

Metacentric

Telocentric

submetacentric

In Sindh, the desert ecosystem is called.

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Thar

Sahara

Gobi

thal

The interphase of meiosis lacks the stage.

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G0

G1

G2

S

Luteinizing hormone induces.

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Flowering

Vernalization

Ovulation

Menopause

The human egg is swept through the oviduct toward the uterus by:

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The beating of the egg's cilia

Rhythmic contraction of the uterus

Rhythmic contraction of the oviduct

The beating of the cilia in the oviduct

Clearance of vast areas of forest for lumber planting subsistence crops or grazing cattle is called as

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Deforestation

A-forestation

Forestation

Both a & b

Chromosomal part which uncoils, during inter phase is called.

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Chromatids

Satellite DNA

Euchromatin

Heterochromatin

Moderate grazing is very helpful to maintain ecosystem.

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Tundra

Grass land

Pond

Desert

Protonopia is

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Red blindness

Blue blindness

Green blindness

Brown blindness

Angular thickenings in their primary walls are present in.

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Parenchyma

Collenchyma

Tracheids

Sclernchyma

An example of long day plant is

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Tomato

Cabbage

Corn

Soyabean

Which one of the following is endangered in Pakistan.

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Indian rhino

Indus Dolphin

tiger

Cheer pheasant

The no of chromosome in mouse is

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6

32

26

40

The phase of meiosis during which nuclei disappear int he cell is called.

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Pachytene

Leptotene

Zygotene

Diplotene

In amoeba movement takes place by means of

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Cilium

Flageilum

Pseudopodium

Myonemes

MN blood group is example of

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Complete dominance

Co- dominance

Over dominance

Incomplete dominance

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